Home / 1,207,446.16-1,666,315.65-663,601.24

Finding the Fourth Proportional to 1,207,446.16, 1,666,315.65 and 663,601.24

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Solution

The fourth proportional to 1,207,446.16, 1,666,315.65 and 663,601.24 is: 915,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,446.16 : 1,666,315.65 = 663,601.24 : x
  2. Step 2: Convert to fraction form
    1,207,446.16/1,666,315.65 = 663,601.24/x
  3. Step 3: Cross multiply
    1,207,446.16x = 1,666,315.65 × 663,601.24
  4. Step 4: Simplify right side
    1,207,446.16x = 1,105,769,131,571.41
  5. Step 5: Solve for x
    x = 1,105,769,131,571.41/1,207,446.16
  6. Step 6: Final answer
    x = 915,791.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.